voting begins on a controversial constitution supported by president mohamed morsi. it has deeply divided the country. >> opposition groups are urging supporters to vote against it. morsi oppose the muslim brotherhood is calling on egyptians to support the document. -- morsi's muslim brotherhood is calling the egyptians to support the document. >> opponents said the document does not do enough to protect women and minorities. the leading activist has asked egypt's president to delay the referendum. >> it is shaping up to be a pivotal moment for the country which has witnessed daily violence in the run-up to the referendum. >> we want to get a closer look at some of the most disputed articles of the new constitution. >> if adopted, the new constitution would change little for the egyptian president. he would remain at the center of egypt pose a political system as its commander in chief. one thing the constitution would change for the president is it would shorten his term from six years to just four and limit his time in office to just two terms. egypt's draft consti